In this sample chapter from Exam Ref 70-762 Developing SQL Databases, explore skills related to the goal of managing database concurrency, including how to implement transactions, manage isolation levels, and more.

Many apps and services that you install on Windows Server run in the security context of a user account, known as a service account. In Skill 2.1 from Exam Ref 70-742 Identity with Windows Server 2016, learn how account policies enable you to control fundamental security features and how these features help secure your network—and…